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Backup znc.conf when upgrading ZNC.

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Now ZNC saves its version to znc.conf.
When ZNC tries to load znc.conf, it compares stored version with running
one. If the stored version is older, make a backup.
This commit is contained in:
Alexey Sokolov
2011-09-16 23:37:30 +07:00
parent e029dded0d
commit 689c330d51
3 changed files with 15 additions and 5 deletions
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17
znc.cpp
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@@ -433,6 +433,7 @@ bool CZNC::WriteConfig() {
config.AddKeyValuePair("MaxBufferSize", CString(m_uiMaxBufferSize));
config.AddKeyValuePair("SSLCertFile", CString(m_sSSLCertFile));
config.AddKeyValuePair("ProtectWebSessions", CString(m_bProtectWebSessions));
config.AddKeyValuePair("Version", CString(VERSION, 3));
for (size_t l = 0; l < m_vpListeners.size(); l++) {
CListener* pListener = m_vpListeners[l];
@@ -984,8 +985,7 @@ size_t CZNC::FilterUncommonModules(set<CModInfo>& ssModules) {
return uNrRemoved;
}
void CZNC::BackupConfigOnce()
{
void CZNC::BackupConfigOnce(const CString& sSuffix) {
static bool didBackup = false;
if (didBackup)
return;
@@ -993,7 +993,7 @@ void CZNC::BackupConfigOnce()
CUtils::PrintAction("Creating a config backup");
CString sBackup = CDir::ChangeDir(m_sConfigFile, "../znc.conf.backup");
CString sBackup = CDir::ChangeDir(m_sConfigFile, "../znc.conf." + sSuffix);
if (CFile::Copy(m_sConfigFile, sBackup))
CUtils::PrintStatus(true, sBackup);
else
@@ -1085,6 +1085,17 @@ bool CZNC::DoRehash(CString& sError)
}
CUtils::PrintStatus(true);
CString sSavedVersion;
config.FindStringEntry("version", sSavedVersion);
double fSavedVersion = sSavedVersion.ToDouble();
if (fSavedVersion < VERSION) {
if (sSavedVersion.empty()) {
sSavedVersion = "< 0.203";
}
CUtils::PrintMessage("Found old config from ZNC " + sSavedVersion + ". Saving a backup of it.");
BackupConfigOnce("pre-" + CString(VERSION, 3));
}
m_vsBindHosts.clear();
m_vsMotd.clear();